[MacPorts] #58942: PyROOT cannot work under ROOTv6.18

[MacPorts]

#58942: PyROOT cannot work under ROOTv6.18
---------------------------+--------------------
 Reporter:  yszhang95      |      Owner:  (none)
     Type:  defect         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  ports          |    Version:  2.5.4
 Keywords:  root6, PyROOT  |       Port:
---------------------------+--------------------
 When I used python to import ROOT, I have the following,
 {{{
 Python 3.7.4 (default, Jul 11 2019, 01:08:00)
 [Clang 10.0.1 (clang-1001.0.46.4)] on darwin
 Type "help", "copyright", "credits" or "license" for more information.
 >>> import ROOT
 Error in <TCling::RegisterModule>: cannot find dictionary module
 libPyROOT_rdict.pcm
 >>>
 }}}
 "It’s most likely a problem related to the fact that libraries and their
 respective dictionaries must be in the same directory (a new requirement
 since ROOT 6.18).", quoted from the link
 https://root-forum.cern.ch/t/error-when-importing-root-in-python3/35881
 Also, useful link from the link above,
 https://root-forum.cern.ch/t/pyroot-at-lxplus/35393

 Thanks.

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Ticket URL: <https://trac.macports.org/ticket/58942>
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